Yes, you can get component status using ambari Rest API's. curl -u admin:admin -H "X-Requested-By:ambari" -i -X POST http://sandbox.hortonworks.com:8080/api/v1/clusters/Sandbox/services/NIFI Below is a good article: https://community.hortonworks.com/articles/30289/working-with-ambari-rest-api-automate-nifi-install.html ... View more

Hi Rashmi, Can you please accept my answer, if it helped you to resolve the issue. ... View more

I might be related to : http://stackoverflow.com/questions/37685723/1003-error-unable-to-find-an-operator-for-alias-in-group-function-in-pig If this does not help, can you post the commands you are trying and the stack trace to debug. ... View more

Please see below guide for Ambari 2.4.2.0: http://docs.hortonworks.com/HDPDocuments/Ambari-2.4.2.0/bk_ambari-user-guide/content/how_to_regenerate_keytabs.html ... View more

You can use distcp -filters to ignore few path, patterns Refer this: http://www.ericlin.me/how-to-use-filters-to-exclude-files-when-in-distcp hadoop distcp -filters /path/to/filterfile.txt hdfs://source/path hdfs://destination/path ... View more

Please see below answer from Bikas : https://community.hortonworks.com/questions/46500/spark-cant-connect-to-hbase-using-kerberos-in-clus.html Apache Spark 2.0 has support for automatically acquiring HBase security tokens correctly for that job and all its executors. Apache Spark 1.6 does not have that feature but in HDP Spark 1.6 we have backported that feature and it can acquire the HBase tokens for the jobs. The tokens are automatically acquired if 1) security is enabled and 2) hbase-site.xml is present on the client classpath 3) that hbase-site.xml has kerberos security configured. Then hbase tokens for the hbase master specified in that hbase-site.xml are acquired and used in the job. ... View more

Below is one example for custom metrics in Ambari: http://stackoverflow.com/questions/36268745/custom-metrics-in-ambari ... View more

No official communication yet. Watch out below: https://hortonworks.com/downloads/ ... View more